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The Squares Game

In this video segment from Cyberchase, the CyberSquad is testing various games to decide if they are fair or not. Matt, Jackie and Lucky play a game called The Squares Game. They play it and then analyze the outcome to decide whether the game is fair.

Here are some Frame, Focus and Follow-up suggestions for using this video in a math lesson.

What is Frame, Focus and Follow-up?

Frame: Suppose there is a spinner on a circle that is half green and half red. You pick red and your friend picks green. You spin the spinner and it lands on green. You lose. Was the game fair? Why or why not? What were your chances of winning?

Focus: In this video segment, notice how many different squares there are in the game. Also notice how many different types of pictures there are and how many players. Decide if the game is fair and explain why.

Follow Up: What criteria does Matt use to decide if a game is fair or not? Jackie said she had three out of nine chances of winning. What does she mean? How did she figure that out? If you had a bag of 10 green marbles and 2 red ones, what would your chances be of picking out a red one?

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